The reason why this or similar orders got rejected by NetSuite
The order could be rejected either this order's Shopify shipping method isn't mapped with any NetSuite shipping method, as a result, our app didn't sync it to NetSuite. Another reason could be that the shipping method is not created correctly in NetSuite with which the shipping is not been accounted falling to failure of the order
How to fix this error:
Case 1
When the shipping methods are not mapped in the integrator and the error pops up while exporting an order from Shopify to NetSuite
Step 1:
Open Robust NetSuite Integrator app, and go to the Order Log page
Check the Shipping method added in the order which can be fetched through Json which can be taken out after adding .json on the Order URL.
One the Shipping method is checked , map the same with the corresponding NetSuite Shipping Item .
When the shipping methods are mapped correctly but still the error pops up while exporting an order from Shopify to NetSuite